| Model： | ||
| Standard or Nonstandard： | Standard |
|
| Pressure： | HighPressure |
|
| Material： | Casting |
| PriceRange： | ||
| Structure： | GateNeedle |
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Pressure seal valve is popular among various industries, affecting well during the whole industrial process, which designed to seal with operating pressure. Therefore, the proper installation should be taken in order to ensure the satisfying performance. Some tips for the installation has been given in the following.
Since the pressure seal valve needs to have its body/bonnet bolts torqued down to the specified torque when the valve is at operating temperature and pressure, it is necessary for the gasket to be properly compressed. And the gasket bolt tightness must be rechecked after operating test pressure and temperature has been achieved. It is important to check live-loaded bonnet bolt torque at operating pressure. Once torqued at operating pressure, no future tightening of gasket bolting will be necessary, unless the valve has been dismantled. Besides, a loss of pressure-seal contact between the body/bonnet/gasket can cause steam or other fluids to leak out of a knock-out hole.
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